Tag Archives: Ubuntu
In this tutorial I will describe the required steps for setting up a pseudo-distributed, single-node Hadoop cluster backed by the Hadoop Distributed File System, running on Ubuntu Linux. This tutorial has been tested with the following software versions: Ubuntu 13.04 Apache Hadoop 1.1.2 (Released on February 15th, 2013) Prerequisites Oracle Java 7 Hadoop requires a working Java 1.5+ (aka Java 5) installation. In this tutorial, I will describe the installation of Java 1.7.0 Update 21. You can get a Java Development Kit(JDK) on the oracle. Then decompress it to /usr/lib/jvm/jdk1.7.0_21 (You can decompress it to any other place) After installation, you should set environment variables as follows: 1. Open ~/.bashrc 2. Add the following statements: You can make a quick check whether Oracle’s JDK…
Why would I need to change the layout? Every time I upgrade the desktop for a new Ubuntu version it defaults it to a 2×2 layout. I don’t have a monitor on top of another so why would I use vertical workspaces? It maybe has advantages for some else workflow. Not mine. I’m used to horizontal multiple screens. How can I define a new workspace layout? You can change several parameters with the Compiz Config Settings Manager. I found that some friends didn’t have it installed. So, just install it first. Call it pressing your keyboard Super key and typing compiz. When it appears click on it. CompizConfig Settings Manager window shows up. Now just select General / General Options /…
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